Digital Select Calling (DSC)

Operation

Operating Your Radio

Receiving Distress Calls

If your vessel is within range of a DSC Distress call, the radio will receive the call, sound the distress alarm, and switch to Channel 16.

Digital Select Calling (DSC)

Operation

Operating Your Radio

Sending An All Ships Calls

A DSC All Ships call is used for the same urgency and safety purposes as the Pan and Securite voice calls as well as to send routine messages to all stations at once.

Distress Info on LCD

When A Distress Call Is Heard:

1. Press any button to turn Off the alarm and return

to Standby mode.

It will reach all stations within range of your radio. If you have an urgent, but not life-threatening, situation or a safety warning to broadcast to all vessels in your area, this is the type of call to use. It should be used judiciously for routine calls.

Distress Info on LCD

2.

Read and write down the distress information on the

 

LCD (there may or may not be position data shown),

 

then determine whether you should answer the call.

3.

Respond, if appropriate, by pressing and holding

 

the Talk button to transmit on Channel 16.

NOTE

Your radio will automatically switch to Channel 16 upon receiving a DSC distress call.

Standby Mode

All Ships

To Send An All Ships Call:

1.

In Standby mode, select a channel on which you want

 

to communicate for a routine call. (The radio will use

 

Channel 16 for urgent and safety calls.)

2.

Press the Call/Set button to enter the Call Send menu.

3.

Use the Up/Down buttons to scroll to ALLSHIPS.

4.

Press the Call/Set button to move to the message

 

type menu.

5.

Use the Up/Down buttons to select a message type

 

URGENCY, SAFETY or ROUTINE.

Regarding Distress Relay Calls

Your radio cannot send Distress Relay calls. Only large ships and shore stations with specially equipped radios can send these calls.

Receiving Distress Relay Calls

Your radio will respond to a received Distress Relay call in the same way as it will to a distress call.

Urgency/Safety/Routine

Urgency Waiting

Routine Waiting

6.

Press the Call/Set button to send the message.

7.

Depending on the type of message you chose,

 

the radio will automatically switch to a voice channel.

 

a. After urgency and safety calls, the radio will switch

 

to Channel 16 and wait for you to press the Talk button

 

to send the urgent or safety message by voice.

 

b. After a routine call, the radio will switch to the channel

 

you selected in step 1 and wait for you to press the

 

Talk button to send the routine message by voice.

DSC equipped radios that receive your message will be automatically switched to Channel 16 or the channel you selected to hear your voice message.

To return to Standby mode without sending a message, use the Up/Down buttons to scroll to EXIT and press the Call/Set button.

 

 

 

 

48 English

Nothing Comes Close to a Cobra® 49

Page 27
Image 27
Cobra Electronics MR F75-D Receiving Distress Calls, Sending An All Ships Calls, Regarding Distress Relay Calls

MR F75-D specifications

Cobra Electronics has long been a name associated with reliable communication solutions, and the MR F75-D is no exception. This high-performance marine VHF radio is designed specifically for boaters, offering a blend of essential features, advanced technologies, and user-friendly characteristics that make it an excellent choice for both recreational and commercial marine applications.

One of the standout features of the MR F75-D is its Class D DSC (Digital Selective Calling) capability, which allows users to send distress calls and communicate with other vessels or coast guard stations at the push of a button. This increases safety on the water, as it provides an automated means to alert others in case of emergencies.

The radio operates seamlessly on the vital marine channels, ensuring that users have access to all the necessary frequencies for navigation and communication. With an impressive 25 watts of transmitting power, the MR F75-D provides extended range, ensuring that calls can be made even in challenging conditions.

The Cobra MR F75-D boasts an ergonomic design featuring a solid weather-resistant construction to withstand the harsh marine environment. Its large, easy-to-read backlit LCD display enhances readability in bright sunlight or low-light conditions, making it accessible under various circumstances.

Moreover, the radio includes a built-in NOAA weather radio with alerts. This feature keeps users informed about local weather conditions and forecasts, enabling them to make better decisions while out at sea. The option to scan channels and save favorites makes it easy to navigate through crowded frequencies to find the right communication line.

The MR F75-D is equipped with Dual Watch and Tri-Watch functions, allowing users to monitor two or three channels simultaneously. This increases the chances of receiving essential messages while on the water, providing greater peace of mind.

With a compact design, the MR F75-D can fit easily on most boats, while the intuitive controls enhance usability. The radio also supports external GPS connection, offering even better situational awareness.

In conclusion, the Cobra Electronics MR F75-D is a versatile, durable, and feature-rich marine VHF radio. With its DSC capabilities, NOAA weather notifications, and robust build, it proves to be an invaluable tool for safe and efficient marine communication, making it a top choice for any boating enthusiast.